Ethyl 4-cyano-5-hydroxy-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 3-cyano-5-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 3-cyano-4-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylate
4-Fluoro-6-methyl-3-(trifluoromethoxy)pyridine-2-sulfonamide